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James Kennedy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this James Kennedy across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 12-person household.
Age 17
b. ~1923
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Kennedy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | East Chicago City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | East Chicago City |
| Est. Birth Year | ~1923 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Catherine Kennedy | Daughter | — | 12 | ~1928 |
| Cecelia Kennedy | Daughter | — | 9 | ~1931 |
| Eleanor Kennedy | Daughter | — | 14 | ~1926 |
| Mary Kennedy | Daughter | — | 15 | ~1925 |
| John Kennedy | Head | — | 53 | ~1887 |
| James Kennedy | Son | — | 17 | ~1923 |
| Regis Kennedy | Son | — | 11 | ~1929 |
| Alfred Kennedy | Son | — | 6 | ~1934 |
| Thomas Kennedy | Son | — | 13 | ~1927 |
| John Kennedy | Son | — | 18 | ~1922 |
| Ronald Kennedy | Son | — | 8 | ~1932 |
| Briddie Kennedy | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Lake, Indiana
Son, age 6
Lake, Indiana · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Son, age 17
Lake-County, Indiana · implied b. ~1923 — 12 household members
| Surname | Kennedy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | East Chicago City |
| 1935 Residence (County) | Lake |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Kennedy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kennedy
Son · 1940 · age 17 · b. ~1923 · Indiana
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Sibling
Ronald Kennedy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kennedy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Kennedy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Kennedy
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Kennedy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kennedy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kennedy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regis Kennedy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kennedy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01065-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Wozniak | 68 | Head | Labourer | Indiana |
| 2 | Anna Wozniak | 58 | Wife | — | Indiana |
| 3 | Walter Wozniak | 36 | Son | Auto Mechanic | Indiana |
| 4 | Stanley Pieckala | 45 | Lodger | Labor | Poland |
| 5 | Rufe Gains | 45 | Head | Blacksmith | Tennessee |
| 6 | Maud Gains | 37 | Wife | — | Tennessee |
| 7 | Wade Gains | 13 | Son | — | Tennessee |
| 8 | Donald Gains | 4 | Son | — | Indiana |
| 9 | Algia Dawkins | 49 | Head | Roller Level | Alabama |
| 10 | Julia Dawkins | 44 | Wife | — | Alabama |
| 11 | Josephine Dawkins | 26 | Daughter | Junior Visitor | Alabama |
| 12 | Aleck Moore | 44 | Head | Ash Man | Alabama |
| 13 | Rashell Moore | 40 | Wife | — | Alabama |
| 14 | Edward Moore | 23 | Son | 2Nd Plant Furnace | Alabama |
| 15 | Bernard Wozniak | 35 | Head | Auto Mechanic | Illinois |
| 16 | Valeria Wozniak | 33 | Wife | — | Illinois |
| 17 | Yolanda Wozniak | 11 | Daughter | — | Indiana |
| 18 | Marianne Wozniak | 5 | Daughter | — | Indiana |
| 19 | Edward Wilson | 28 | Head | Machinist | Indiana |
| 20 | Dorthy Wilson | 22 | Wife | — | Indiana |
| 21 | Larry Wilson | 2 | Son | — | Indiana |
| 22 | William Leiter | 60 | Head | Handy Man | Michigan |
| 23 | Lillian Leiter | 57 | Wife | Sewer | Ohio |
| 24 | Smedley Leiter | 40 | Daughter | Sewer | Michigan |
| 25 | Ellis Alexander | 41 | Head | Grinder | Alabama |
| 26 | Mittie Alexander | 31 | Wife | — | Mississippi |
| 27 | Mildred Alexander | 10 | Daughter | — | Chicago |
| 28 | John Kennedy | 53 | Head | Rail Hand | Irish Free State |
| 29 | Briddie Kennedy | 43 | Wife | — | Irish Free State |
| 30 | John Jr. Kennedy | 18 | Son | — | Indiana |
| 31 | James Kennedy THIS PERSON | 17 | Son | — | Indiana |
| 32 | Mary M. Kennedy | 15 | Daughter | — | Indiana |
| 33 | Eleanor Kennedy | 14 | Daughter | — | Indiana |
| 34 | Thomas Kennedy | 13 | Son | — | Indiana |
| 35 | Catherine Kennedy | 12 | Daughter | — | Indiana |
| 36 | Regis Kennedy | 11 | Son | — | Indiana |
| 37 | Cecelia Kennedy | 9 | Daughter | — | Indiana |
| 38 | Ronald Kennedy | 8 | Son | — | Indiana |
| 39 | Alfred Kennedy | 6 | Son | — | Indiana |
| 40 | Helen Lukas | 46 | Head | — | Poland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)